Jawabanmu

2014-09-02T20:58:01+07:00
W = F = m x g
jadi,
Wbumi = m x gbumi     Wbulan = m x gbulan    Wmars = m x gmars 
Wbumi = 70 x 9,8         Wbulan = 70 x 1,7        Wmars = 70 x 3,7
Wbumi = 686 N            Wbulan = 119 N           Wmars = 259 N
2 5 2
2014-09-02T20:58:31+07:00
Di bumi=m.g=70.9,8=686N
dibulan=m.g=70.1,7=119N
dimars=m.g=70.3,7=259N
1 5 1